Beta firmware fix LT18, LT450, LT500, LT500D and T-Mobile configuration issue

Recently, we received feedback that our router cannot work properly with the T-Mobile, like no internet or can only get IPv6 internet, etc. We created a beta firmware to fix and improve the performance.

Step 1: Open a web browser and go to or Input the password to log in.
For details, please refer to How to log into the web interface of Cudy Router?

Step 2: Go to Advanced Settings->Firmware to upgrade the beta firmware below.

LT18 Firmware: Cudy LT18 Software Download

LT450 Firmware

V1 (Micro SIM card): LT450-R9-1.15.5beta-20221121-180014-flash.bin

V2 (Nano SIM card): Cudy LT450 Software Download

LT500 Firmware

V1 (Micro SIM card): LT500-R9-1.15.5beta-20221121-180014-flash.bin

V2 (Nano SIM card): Cudy LT500 Software Download

LT500D Firmware

V2 (Nano SIM card): Cudy LT500D Software Download

Step 3: Advanced Settings-> IPv6 to enable IPv6, Save & Apply.

Step 4: Go to Advanced Settings -> TTL -> Custom and set TTL to 65, HL to 65.

Step 5: Go to General Settings->4G/Cellular.

1. Set Network mode as 4G only

2. Set APN profile as Manual

3. Set APN as (Note: for static IP plan, set APN as b2b.static)

4. Leave username and password blank.

5. Set Authentication as PAP+CHAP

Note: For the APN, you will need to double confirm since they may change without notice.

Step 6: Save & Apply, wait about 5 minutes, then check the connection. If it still doesn't work, please contact with the Diagnosis bin file. (Diagnostic Tools->Diagnosis->GO->Download)


2 条评论

Dear Sally,
Please download the latest firmware of LT500 Outdoor on the website.

need to download new firmware for lt500 outdoor cudy

Support Cudy

need to download new firmware for lt500 outdoor cudy

Sally A Dettinger